[INFO] cloning repository https://github.com/pkmollman/reshi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pkmollman/reshi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkmollman%2Freshi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkmollman%2Freshi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1704720b2da2a1bdeb3579cb97fe706c2aaf93fa
[INFO] testing pkmollman/reshi against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkmollman%2Freshi" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pkmollman/reshi
[INFO] finished tweaking git repo https://github.com/pkmollman/reshi
[INFO] tweaked toml for git repo https://github.com/pkmollman/reshi written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pkmollman/reshi on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pkmollman/reshi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c34048cd6e32f55fcefc4863abe6d9d81bec7b48a5cddec941357ae9ef246751
[INFO] running `Command { std: "docker" "start" "-a" "c34048cd6e32f55fcefc4863abe6d9d81bec7b48a5cddec941357ae9ef246751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c34048cd6e32f55fcefc4863abe6d9d81bec7b48a5cddec941357ae9ef246751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34048cd6e32f55fcefc4863abe6d9d81bec7b48a5cddec941357ae9ef246751", kill_on_drop: false }`
[INFO] [stdout] c34048cd6e32f55fcefc4863abe6d9d81bec7b48a5cddec941357ae9ef246751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8309e730cfe0dca3efc412a9f4f21648eeaee539884a308afeefbc16ce302965
[INFO] running `Command { std: "docker" "start" "-a" "8309e730cfe0dca3efc412a9f4f21648eeaee539884a308afeefbc16ce302965", kill_on_drop: false }`
[INFO] [stderr]    Compiling reshi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::token::*`
[INFO] [stdout]  --> src/lexer/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::*`
[INFO] [stdout]  --> src/lexer/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LexerReadResult` is never used
[INFO] [stdout]  --> src/lexer/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum LexerReadResult {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> src/ast/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Node {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Statement` is never used
[INFO] [stdout]  --> src/ast/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Statement: Node {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Expression` is never used
[INFO] [stdout]  --> src/ast/mod.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait Expression: Node {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Program {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_keyword` is never used
[INFO] [stdout]   --> src/token/mod.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl TokenType {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 51 |     pub fn is_keyword(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LetStatement` is never constructed
[INFO] [stdout]   --> src/token/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct LetStatement {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Identifier` is never used
[INFO] [stdout]   --> src/token/mod.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 | type Identifier = Token;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `next_token`, and `parse_program` are never used
[INFO] [stdout]   --> src/parser/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Parser {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(lexer: Rc<RefCell<Lexer>>) -> Parser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn next_token(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn parse_program(&mut self) -> Program {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "8309e730cfe0dca3efc412a9f4f21648eeaee539884a308afeefbc16ce302965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8309e730cfe0dca3efc412a9f4f21648eeaee539884a308afeefbc16ce302965", kill_on_drop: false }`
[INFO] [stdout] 8309e730cfe0dca3efc412a9f4f21648eeaee539884a308afeefbc16ce302965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83fdae18b6b3d8f7643207f94d89bec1ac284b63ea7cca2b7f2c7ead35a58975
[INFO] running `Command { std: "docker" "start" "-a" "83fdae18b6b3d8f7643207f94d89bec1ac284b63ea7cca2b7f2c7ead35a58975", kill_on_drop: false }`
[INFO] [stderr]    Compiling reshi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/mod.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut lexer = Lexer::new(input.into());
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/mod.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut program = parser.parse_program();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LexerReadResult` is never used
[INFO] [stdout]  --> src/lexer/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum LexerReadResult {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token_literal` is never used
[INFO] [stdout]  --> src/ast/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Node {
[INFO] [stdout]   |           ---- method in this trait
[INFO] [stdout] 2 |     fn token_literal(&self) -> String;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `statement_node` is never used
[INFO] [stdout]  --> src/ast/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Statement: Node {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 6 |     fn statement_node(&self);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Expression` is never used
[INFO] [stdout]  --> src/ast/mod.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait Expression: Node {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_keyword` is never used
[INFO] [stdout]   --> src/token/mod.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl TokenType {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 51 |     pub fn is_keyword(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LetStatement` is never constructed
[INFO] [stdout]   --> src/token/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct LetStatement {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lexer`, `current_token`, and `peek_token` are never read
[INFO] [stdout]   --> src/parser/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Parser {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  8 |     lexer: Rc<RefCell<Lexer>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     current_token: Option<Token>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 10 |     peek_token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_token` is never used
[INFO] [stdout]   --> src/parser/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Parser {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn next_token(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "83fdae18b6b3d8f7643207f94d89bec1ac284b63ea7cca2b7f2c7ead35a58975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fdae18b6b3d8f7643207f94d89bec1ac284b63ea7cca2b7f2c7ead35a58975", kill_on_drop: false }`
[INFO] [stdout] 83fdae18b6b3d8f7643207f94d89bec1ac284b63ea7cca2b7f2c7ead35a58975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2924ec505a537b9b9b77dc7181dae09de9848042f04ed4de0e892875297adb77
[INFO] running `Command { std: "docker" "start" "-a" "2924ec505a537b9b9b77dc7181dae09de9848042f04ed4de0e892875297adb77", kill_on_drop: false }`
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     while true {
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/mod.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut lexer = Lexer::new(input.into());
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/mod.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let mut program = parser.parse_program();
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `LexerReadResult` is never used
[INFO] [stderr]  --> src/lexer/mod.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum LexerReadResult {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]  --> src/ast/mod.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Node {
[INFO] [stderr]   |           ---- method in this trait
[INFO] [stderr] 2 |     fn token_literal(&self) -> String;
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `statement_node` is never used
[INFO] [stderr]  --> src/ast/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub trait Statement: Node {
[INFO] [stderr]   |           --------- method in this trait
[INFO] [stderr] 6 |     fn statement_node(&self);
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Expression` is never used
[INFO] [stderr]  --> src/ast/mod.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub trait Expression: Node {
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_keyword` is never used
[INFO] [stderr]   --> src/token/mod.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl TokenType {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 51 |     pub fn is_keyword(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LetStatement` is never constructed
[INFO] [stderr]   --> src/token/mod.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub struct LetStatement {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `lexer`, `current_token`, and `peek_token` are never read
[INFO] [stderr]   --> src/parser/mod.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub struct Parser {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr]  8 |     lexer: Rc<RefCell<Lexer>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]  9 |     current_token: Option<Token>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 10 |     peek_token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `next_token` is never used
[INFO] [stderr]   --> src/parser/mod.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Parser {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn next_token(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `reshi` (bin "reshi" test) generated 11 warnings (run `cargo fix --bin "reshi" -p reshi --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/reshi-d020a85f8cf72621)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lexer::tests::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parser::tests::test_let_statements stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'parser::tests::test_let_statements' (19) panicked at src/parser/mod.rs:61:13:
[INFO] [stdout] program has 0 statements, instead of 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x607ffc30fafa - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x607ffc30fafa - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x607ffc30fafa - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x607ffc30fafa - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x607ffc32391a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x607ffc32391a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x607ffc314332 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x607ffc314332 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x607ffc2eeaff - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x607ffc2eeaff - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x607ffc307fa9 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x607ffc2a47bc - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x607ffc2a47bc - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x607ffc308162 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x607ffc308162 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x607ffc2eebb8 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x607ffc2e6559 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x607ffc2ef8cd - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x607ffc32406c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x607ffc2928a5 - reshi[b06377dd29f6f2e3]::parser::tests::test_let_statements
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:61:13
[INFO] [stdout]   20:     0x607ffc2908d7 - reshi[b06377dd29f6f2e3]::parser::tests::test_let_statements::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:41:29
[INFO] [stdout]   21:     0x607ffc297926 - <reshi[b06377dd29f6f2e3]::parser::tests::test_let_statements::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x607ffc297a9b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x607ffc297a9b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x607ffc2a528b - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x607ffc2a528b - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x607ffc2a528b - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x607ffc2a528b - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x607ffc2a528b - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x607ffc2a528b - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x607ffc2a528b - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x607ffc29fc64 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x607ffc29fc64 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x607ffc2a7e92 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x607ffc2a7e92 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x607ffc2a7e92 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x607ffc2a7e92 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x607ffc2a7e92 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x607ffc2a7e92 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x607ffc2a7e92 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x607ffc30f40f - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   41:     0x607ffc30f40f - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7d61d1155aa4 - <unknown>
[INFO] [stdout]   43:     0x7d61d11e2a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parser::tests::test_let_statements
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin reshi`
[INFO] running `Command { std: "docker" "inspect" "2924ec505a537b9b9b77dc7181dae09de9848042f04ed4de0e892875297adb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2924ec505a537b9b9b77dc7181dae09de9848042f04ed4de0e892875297adb77", kill_on_drop: false }`
[INFO] [stdout] 2924ec505a537b9b9b77dc7181dae09de9848042f04ed4de0e892875297adb77
